/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 暗色主题变量 */
    --dark-bg: #0f0f0f;
    --dark-text: #ffffff;
    --dark-text-secondary: rgba(255, 255, 255, 0.7);
    --dark-card-bg: rgba(255, 255, 255, 0.04);
    --dark-card-border: rgba(255, 255, 255, 0.08);
    --dark-link-bg: rgba(255, 255, 255, 0.06);
    --dark-link-border: rgba(255, 255, 255, 0.1);
    --dark-search-bg: rgba(255, 255, 255, 0.06);
    --dark-search-border: rgba(255, 255, 255, 0.12);
    --dark-engine-bg: rgba(255, 255, 255, 0.06);
    --dark-engine-border: rgba(255, 255, 255, 0.12);
    --dark-tab-bg: rgba(255, 255, 255, 0.06);
    --dark-tab-border: rgba(255, 255, 255, 0.12);
    --dark-tab-active: rgba(59, 130, 246, 0.25);
    --dark-tab-active-border: rgba(59, 130, 246, 0.4);
    --dark-shadow: rgba(0, 0, 0, 0.4);
    --dark-shadow-hover: rgba(0, 0, 0, 0.5);
    
    /* 亮色主题变量 - 使用更柔和的颜色 */
    --light-bg: #fafbfc;
    --light-text: #1a202c;
    --light-text-secondary: rgba(26, 32, 44, 0.7);
    --light-card-bg: rgba(255, 255, 255, 0.8);
    --light-card-border: rgba(0, 0, 0, 0.06);
    --light-link-bg: rgba(255, 255, 255, 0.9);
    --light-link-border: rgba(0, 0, 0, 0.06);
    --light-search-bg: rgba(255, 255, 255, 0.9);
    --light-search-border: rgba(0, 0, 0, 0.06);
    --light-engine-bg: rgba(255, 255, 255, 0.9);
    --light-engine-border: rgba(0, 0, 0, 0.06);
    --light-tab-bg: rgba(255, 255, 255, 0.9);
    --light-tab-border: rgba(0, 0, 0, 0.06);
    --light-tab-active: rgba(59, 130, 246, 0.12);
    --light-tab-active-border: rgba(59, 130, 246, 0.25);
    --light-shadow: rgba(0, 0, 0, 0.06);
    --light-shadow-hover: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--dark-bg);
    color: var(--dark-text);
    line-height: 1.6;
    font-size: 14px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* 整体缩放10% - 应用到html元素以避免点击问题 */
html {
    zoom: 0.9;
}

/* 移动端禁用缩放 */
@media (max-width: 768px) {
    html {
        zoom: 1;
    }
}

/* 亮色主题 */
body.light-theme {
    background: var(--light-bg);
    color: var(--light-text);
}

/* 页面标题 */
.page-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    padding: 12px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.light-theme .page-header {
    background: rgba(250, 251, 252, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.page-title {
    font-size: 30px;
    font-weight: 600;
    margin: 0;
    color: var(--dark-text);
    margin-left: 24px;
}

.light-theme .page-title {
    color: var(--light-text);
}

/* 顶部右侧控制区域 */
.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-right: 24px;
}

/* 头部按钮通用样式 */
.header-btn {
    width: 48px;
    height: 48px;
    background: var(--dark-search-bg);
    border: 1px solid var(--dark-search-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px var(--dark-shadow);
    box-sizing: border-box;
}

.light-theme .header-btn {
    background: var(--light-search-bg);
    border: 1px solid var(--light-search-border);
    box-shadow: 0 2px 8px var(--light-shadow);
}

.header-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--dark-shadow-hover);
}

.light-theme .header-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 12px var(--light-shadow-hover);
}

/* 主题切换按钮 */
.theme-toggle-btn {
    width: 48px;
    height: 48px;
    background: var(--dark-search-bg);
    border: 1px solid var(--dark-search-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px var(--dark-shadow);
    box-sizing: border-box;
}

.light-theme .theme-toggle-btn {
    background: var(--light-search-bg);
    border: 1px solid var(--light-search-border);
    box-shadow: 0 2px 8px var(--light-shadow);
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--dark-shadow-hover);
}

.light-theme .theme-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 12px var(--light-shadow-hover);
}

/* 头部按钮图标通用样式 */
.header-btn svg,
.theme-icon,
.calculator-icon {
    width: 20px;
    height: 20px;
    color: var(--dark-text);
}

.light-theme .header-btn svg,
.light-theme .theme-icon,
.light-theme .calculator-icon {
    color: var(--light-text);
}

.hidden {
    display: none !important;
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 40px;
    position: relative;
    z-index: 1;
}

/* 搜索容器 */
.search-container {
    text-align: center;
    margin-bottom: 32px;
}

.search-box {
    display: inline-flex;
    align-items: center;
    background: var(--dark-search-bg);
    border: 1px solid var(--dark-search-border);
    border-radius: 12px;
    padding: 12px 20px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 4px 20px var(--dark-shadow);
    transition: border-color 0.2s ease;
}

.light-theme .search-box {
    background: var(--light-search-bg);
    border: 1px solid var(--light-search-border);
    box-shadow: 0 4px 20px var(--light-shadow);
}

/* 搜索框悬停效果强化 */
.search-box:hover {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
    box-shadow: 0 6px 25px var(--dark-shadow-hover);
}

.light-theme .search-box:hover {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 25px var(--light-shadow-hover);
}

.search-icon {
    width: 18px;
    height: 18px;
    color: var(--dark-text-secondary);
    margin-right: 12px;
    stroke-width: 2;
}

.light-theme .search-icon {
    color: var(--light-text-secondary);
}

#searchInput {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: var(--dark-text);
    font-size: 15px;
    font-weight: 400;
}

.light-theme #searchInput {
    color: var(--light-text);
}

#searchInput::placeholder {
    color: var(--dark-text-secondary);
}

.light-theme #searchInput::placeholder {
    color: var(--light-text-secondary);
}

/* 搜索引擎链接 */
.search-engines {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.engine-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--dark-engine-bg);
    border: 1px solid var(--dark-engine-border);
    border-radius: 8px;
    color: var(--dark-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.light-theme .engine-link {
    background: var(--light-engine-bg);
    border: 1px solid var(--light-engine-border);
    color: var(--light-text);
}

/* 搜索引擎链接悬停效果强化 */
.engine-link:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(59, 130, 246, 0.2);
}

.light-theme .engine-link:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.25);
    box-shadow: 0 3px 10px rgba(59, 130, 246, 0.15);
}

.engine-link.selected {
    background: var(--dark-tab-active);
    border-color: var(--dark-tab-active-border);
    color: var(--dark-text);
}

.light-theme .engine-link.selected {
    background: var(--light-tab-active);
    border-color: var(--light-tab-active-border);
    color: #3b82f6;
    font-weight: 600;
}

.engine-icon {
    font-size: 14px;
}

/* 分页导航 */
.tabs-container {
    margin-bottom: 32px;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 0 4px;
}

.tab-btn {
    padding: 10px 20px;
    background: var(--dark-tab-bg);
    border: 1px solid var(--dark-tab-border);
    border-radius: 8px;
    color: var(--dark-text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.light-theme .tab-btn {
    background: var(--light-tab-bg);
    border: 1px solid var(--light-tab-border);
    color: var(--light-text-secondary);
}

/* 分页按钮悬停效果强化 */
.tab-btn:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.25);
    color: var(--dark-text);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(59, 130, 246, 0.15);
}

.light-theme .tab-btn:hover {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--light-text);
    box-shadow: 0 3px 10px rgba(59, 130, 246, 0.1);
}

.tab-btn.active {
    background: var(--dark-tab-active);
    border-color: var(--dark-tab-active-border);
    color: var(--dark-text);
    font-weight: 600;
}

.light-theme .tab-btn.active {
    background: var(--light-tab-active);
    border-color: var(--light-tab-active-border);
    color: #3b82f6;
    font-weight: 600;
}

/* 分页内容 */
.tabs-content {
    position: relative;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* 内容网格 */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.content-section {
    background: var(--dark-card-bg);
    border: 1px solid var(--dark-card-border);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.2s ease;
}

.light-theme .content-section {
    background: var(--light-card-bg);
    border: 1px solid var(--light-card-border);
}

/* 内容区块悬停效果强化 */
.content-section:hover {
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--dark-shadow-hover);
}

.light-theme .content-section:hover {
    border-color: rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 25px var(--light-shadow-hover);
}

.section-title {
    color: #3b82f6;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

/* 链接网格 */
.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    padding: 8px;
}

.link-card {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 12px;
    background: var(--dark-link-bg);
    border: 1px solid var(--dark-link-border);
    border-radius: 6px;
    color: var(--dark-text);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: background-color 0.2s ease;
    min-width: 140px;
    gap: 6px;
    min-height: 40px;
    flex-direction: row;
}

.light-theme .link-card {
    background: var(--light-link-bg);
    border: 1px solid var(--light-link-border);
    color: var(--light-text);
}

/* 链接卡片悬停效果强化 */
.link-card:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.35);
    color: #60a5fa;
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(59, 130, 246, 0.25);
}

.light-theme .link-card:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
    box-shadow: 0 3px 12px rgba(59, 130, 246, 0.2);
}

/* 时钟小部件 */
.clock-widget {
    background: var(--dark-search-bg);
    border: 1px solid var(--dark-search-border);
    border-radius: 8px;
    padding: 10px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
    height: 48px;
    box-shadow: 0 2px 8px var(--dark-shadow);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.light-theme .clock-widget {
    background: var(--light-search-bg);
    border: 1px solid var(--light-search-border);
    box-shadow: 0 2px 8px var(--light-shadow);
}

.clock-widget:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--dark-shadow-hover);
}

.light-theme .clock-widget:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 12px var(--light-shadow-hover);
}

.time {
    color: var(--dark-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 2px;
    line-height: 1;
}

.light-theme .time {
    color: var(--light-text);
}

.date {
    color: var(--dark-text-secondary);
    font-size: 11px;
    font-weight: 400;
    line-height: 1;
}

.light-theme .date {
    color: var(--light-text-secondary);
}

/* 日历模态框 */
.calendar-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: modalFadeIn 0.2s ease;
}

.calendar-modal.hidden {
    display: none;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(8px);
    }
}

.calendar-modal-content {
    background: var(--dark-bg);
    border: 1px solid var(--dark-card-border);
    border-radius: 16px;
    padding: 24px;
    max-width: 380px;
    width: 90%;
    color: var(--dark-text);
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    animation: modalSlideIn 0.3s ease;
}

.light-theme .calendar-modal-content {
    background: var(--light-bg);
    border: 1px solid var(--light-card-border);
    color: var(--light-text);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--dark-card-border);
}

.light-theme .calendar-header {
    border-bottom: 1px solid var(--light-card-border);
}

.calendar-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    color: var(--dark-text);
}

.light-theme .calendar-header h2 {
    color: var(--light-text);
}

.calendar-nav-btn {
    background: var(--dark-tab-bg);
    border: 1px solid var(--dark-tab-border);
    color: var(--dark-text);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.light-theme .calendar-nav-btn {
    background: var(--light-tab-bg);
    border: 1px solid var(--light-tab-border);
    color: var(--light-text);
}

.calendar-nav-btn:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.light-theme .calendar-nav-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.25);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

.calendar-body {
    margin-bottom: 20px;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}

.calendar-weekdays div {
    text-align: center;
    font-weight: 600;
    font-size: 13px;
    color: var(--dark-text-secondary);
    padding: 8px 4px;
}

.light-theme .calendar-weekdays div {
    color: var(--light-text-secondary);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day {
    text-align: center;
    padding: 10px 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-day.current-month {
    color: var(--dark-text);
}

.light-theme .calendar-day.current-month {
    color: var(--light-text);
}

.calendar-day.other-month {
    color: var(--dark-text-secondary);
    opacity: 0.4;
}

.light-theme .calendar-day.other-month {
    color: var(--light-text-secondary);
    opacity: 0.4;
}

.calendar-day.today {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.calendar-day:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

.light-theme .calendar-day:hover {
    background: rgba(59, 130, 246, 0.08);
    color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 120px 16px 32px;
    }
    
    .page-header {
        padding: 12px 0;
        min-height: auto;
    }
    
    .page-title {
        font-size: 18px;
        margin-left: 16px;
    }
    
    .header-controls {
        margin-right: 16px;
        gap: 10px;
    }
    
    .clock-widget {
        padding: 10px 12px;
        min-width: 90px;
    }
    
    .time {
        font-size: 16px;
    }
    
    .date {
        font-size: 10px;
    }
    
    .search-engines {
        gap: 8px;
    }
    
    .engine-link {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .tabs-nav {
        gap: 6px;
        padding: 0 12px;
    }
    
    .tab-btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .content-section {
        padding: 16px;
    }
    
    .link-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 8px !important;
        padding: 4px !important;
    }
    
    .link-card {
        min-width: unset !important;
        width: 100% !important;
        padding: 8px 4px !important;
        font-size: 10px !important;
        min-height: 45px !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        gap: 4px !important;
    }
    
    .link-icon {
        margin-right: 0 !important;
        margin-bottom: 2px !important;
        font-size: 14px !important;
    }
    
    .link-card span:not(.link-icon) {
        white-space: normal !important;
        word-break: break-all !important;
        line-height: 1.2 !important;
        text-align: center !important;
    }
    
    .calendar-modal-content {
        padding: 20px;
        margin: 20px;
        max-width: 340px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 140px 16px 32px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 8px;
        padding: 12px 0;
        min-height: auto;
    }
    
    .page-title {
        margin-left: 0;
        font-size: 16px;
    }
    
    .header-controls {
        margin-right: 0;
        gap: 8px;
    }
    
    .clock-widget {
        padding: 8px 10px;
        min-width: 80px;
    }
    
    .time {
        font-size: 14px;
    }
    
    .date {
        font-size: 9px;
    }
    
    .search-box {
        padding: 10px 16px;
    }
    
    #searchInput {
        font-size: 14px;
    }
    
    .search-engines {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        margin-bottom: 24px;
    }
    
    .engine-link {
        justify-content: center;
        padding: 8px 12px;
        min-width: 80px;
    }
    
    .tabs-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 6px;
        padding: 0 8px;
    }
    
    .tab-btn {
        justify-content: center;
        padding: 8px 12px;
        min-width: 70px;
        white-space: nowrap;
    }
    
    .link-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
        padding: 4px !important;
    }
    
    .link-card {
        min-width: unset !important;
        width: 100% !important;
        padding: 6px 4px !important;
        font-size: 9px !important;
        min-height: 50px !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        gap: 3px !important;
    }
    
    .link-icon {
        font-size: 14px !important;
        margin-right: 0 !important;
        margin-bottom: 2px !important;
    }
    
    .link-card span:not(.link-icon) {
        white-space: normal !important;
        word-break: break-all !important;
        line-height: 1.1 !important;
        text-align: center !important;
    }
    
    .content-section {
        padding: 12px;
    }
    
    .section-title {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .calendar-modal-content {
        padding: 16px;
        margin: 16px;
    }
}

/* 超小屏幕优化 (320px及以下) */
@media (max-width: 320px) {
    .container {
        padding: 150px 12px 24px;
    }
    
    .page-title {
        font-size: 14px;
    }
    
    .search-box {
        padding: 8px 12px;
    }
    
    .engine-link {
        min-width: 60px;
        padding: 6px 8px;
        font-size: 11px;
    }
    
    .tab-btn {
        min-width: 60px;
        padding: 6px 8px;
    }
    
    .link-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 4px !important;
        padding: 2px !important;
    }
    
    .link-card {
        min-width: unset !important;
        width: 100% !important;
        padding: 4px 2px !important;
        font-size: 8px !important;
        min-height: 45px !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        gap: 2px !important;
    }
    
    .link-icon {
        font-size: 12px !important;
        margin-right: 0 !important;
        margin-bottom: 1px !important;
    }
    
    .link-card span:not(.link-icon) {
        white-space: normal !important;
        word-break: break-all !important;
        line-height: 1.0 !important;
        text-align: center !important;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.light-theme ::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.light-theme ::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.light-theme ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* 特殊链接样式 */
.link-card[href*="🌟"] {
    background: rgba(255, 193, 7, 0.1);
    border-color: rgba(255, 193, 7, 0.3);
    color: #ffc107;
}

.light-theme .link-card[href*="🌟"] {
    background: rgba(255, 193, 7, 0.1);
    border-color: rgba(255, 193, 7, 0.3);
    color: #d97706;
}

.link-card[href*="🌟"]:hover {
    background: rgba(255, 193, 7, 0.2);
    border-color: rgba(255, 193, 7, 0.5);
}

/* 移动端优化 - 已整合到主要响应式样式中 */

/* 添加平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 添加分页按钮样式 */
.add-tab-btn {
    display: flex !important;
    align-items: center;
    gap: 8px;
    background: var(--dark-tab-bg) !important;
    border: 1px dashed var(--dark-tab-border) !important;
    border-radius: 8px;
    color: var(--dark-text-secondary) !important;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 10px 16px !important;
}

.light-theme .add-tab-btn {
    background: var(--light-tab-bg) !important;
    border: 1px dashed var(--light-tab-border) !important;
    color: var(--light-text-secondary) !important;
}

.add-tab-btn:hover {
    background: rgba(34, 197, 94, 0.12) !important;
    border-color: rgba(34, 197, 94, 0.25) !important;
    color: #22c55e !important;
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(34, 197, 94, 0.15);
}

.light-theme .add-tab-btn:hover {
    background: rgba(34, 197, 94, 0.08) !important;
    border-color: rgba(34, 197, 94, 0.2) !important;
    color: #16a34a !important;
    box-shadow: 0 3px 10px rgba(34, 197, 94, 0.1);
}

.add-icon {
    width: 16px;
    height: 16px;
}

/* 方法选择选项卡样式 */
.add-method-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: var(--dark-card-bg);
    border: 1px solid var(--dark-card-border);
    border-radius: 8px;
    padding: 4px;
}

.light-theme .add-method-tabs {
    background: var(--light-card-bg);
    border: 1px solid var(--light-card-border);
}

.method-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--dark-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.light-theme .method-tab-btn {
    color: var(--light-text-secondary);
}

.method-tab-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--dark-text);
}

.light-theme .method-tab-btn:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--light-text);
}

.method-tab-btn.active {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #3b82f6;
    font-weight: 600;
}

.method-tab-btn svg {
    width: 16px;
    height: 16px;
}

/* 方法面板样式 */
.method-panel {
    display: none;
}

.method-panel.active {
    display: block;
}

/* 文件输入框样式 */
.file-input {
    width: 100% !important;
    padding: 12px 16px !important;
    background: var(--dark-search-bg) !important;
    border: 1px solid var(--dark-search-border) !important;
    border-radius: 8px !important;
    color: var(--dark-text) !important;
    font-size: 14px !important;
    transition: border-color 0.2s ease !important;
    box-sizing: border-box !important;
    cursor: pointer !important;
}

.light-theme .file-input {
    background: var(--light-search-bg) !important;
    border: 1px solid var(--light-search-border) !important;
    color: var(--light-text) !important;
}

.file-input:hover {
    border-color: rgba(147, 51, 234, 0.3) !important;
}

.file-input:focus {
    outline: none !important;
    border-color: rgba(147, 51, 234, 0.4) !important;
    background: rgba(147, 51, 234, 0.05) !important;
}

/* 导入说明样式 */
.import-instructions {
    background: var(--dark-card-bg);
    border: 1px solid var(--dark-card-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.light-theme .import-instructions {
    background: var(--light-card-bg);
    border: 1px solid var(--light-card-border);
}

.import-instructions h4 {
    margin: 0 0 12px 0;
    color: var(--dark-text);
    font-size: 15px;
    font-weight: 600;
}

.light-theme .import-instructions h4 {
    color: var(--light-text);
}

.import-instructions ol {
    margin: 0;
    padding-left: 20px;
    color: var(--dark-text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.light-theme .import-instructions ol {
    color: var(--light-text-secondary);
}

.import-instructions li {
    margin-bottom: 8px;
}

.import-instructions ul {
    margin: 8px 0 0 0;
    padding-left: 16px;
}

.import-instructions ul li {
    margin-bottom: 4px;
}

.import-instructions strong {
    color: var(--dark-text);
    font-weight: 600;
}

.light-theme .import-instructions strong {
    color: var(--light-text);
}

/* 禁用状态的按钮 */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* 删除按钮样式 */
.delete-tab-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 18px;
    height: 18px;
    background: #ef4444;
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0;
    transform: scale(0.8);
}

.tab-btn:hover .delete-tab-btn {
    opacity: 1;
    transform: scale(1);
}

.delete-tab-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.tab-btn {
    position: relative;
}

/* 添加链接按钮样式 */
.add-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--dark-link-bg);
    border: 1px dashed var(--dark-link-border);
    border-radius: 6px;
    color: var(--dark-text-secondary);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.light-theme .add-link-btn {
    background: var(--light-link-bg);
    border: 1px dashed var(--light-link-border);
    color: var(--light-text-secondary);
}

.add-link-btn:hover {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.25);
    color: #22c55e;
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(34, 197, 94, 0.2);
}

.light-theme .add-link-btn:hover {
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.2);
    color: #16a34a;
    box-shadow: 0 3px 12px rgba(34, 197, 94, 0.15);
}

/* 删除链接按钮样式 */
.delete-link-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 20px;
    height: 20px;
    background: #ef4444;
    border: 2px solid white;
    border-radius: 50%;
    color: white;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0;
    transform: scale(0.8);
    z-index: 100;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.link-card:hover .delete-link-btn {
    opacity: 1;
    transform: scale(1);
    animation: deleteButtonShow 0.2s ease;
}

@keyframes deleteButtonShow {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.delete-link-btn:hover {
    background: #dc2626;
    transform: scale(1.15);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    border-color: #ffffff;
}

.link-card.custom-link {
    position: relative;
    z-index: 1;
    overflow: visible;
}

/* 分页图标样式 */
.tab-icon {
    font-size: 14px;
    margin-right: 6px;
    display: inline-block;
    flex-shrink: 0;
}

/* 链接图标样式 */
.link-icon {
    font-size: 16px;
    margin-right: 6px;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* 移动端图标调整 - 已整合到主要响应式样式中 */

/* 链接卡片文本布局 */
.link-card span:not(.link-icon) {
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 移动端链接卡片文本布局 - 已整合到主要响应式样式中 */

/* 模态框样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: modalFadeIn 0.2s ease;
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background: var(--dark-bg);
    border: 1px solid var(--dark-card-border);
    border-radius: 16px;
    padding: 0;
    max-width: 480px;
    width: 90%;
    color: var(--dark-text);
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    animation: modalSlideIn 0.3s ease;
    overflow: hidden;
}

.light-theme .modal-content {
    background: var(--light-bg);
    border: 1px solid var(--light-card-border);
    color: var(--light-text);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--dark-card-border);
    background: var(--dark-card-bg);
}

.light-theme .modal-header {
    border-bottom: 1px solid var(--light-card-border);
    background: var(--light-card-bg);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--dark-text);
}

.light-theme .modal-header h3 {
    color: var(--light-text);
}

.modal-close-btn {
    background: var(--dark-tab-bg);
    border: 1px solid var(--dark-tab-border);
    color: var(--dark-text);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s ease;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.light-theme .modal-close-btn {
    background: var(--light-tab-bg);
    border: 1px solid var(--light-tab-border);
    color: var(--light-text);
}

.modal-close-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group:last-of-type {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-text);
    margin-bottom: 8px;
}

.light-theme .form-group label {
    color: var(--light-text);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--dark-search-bg);
    border: 1px solid var(--dark-search-border);
    border-radius: 8px;
    color: var(--dark-text);
    font-size: 14px;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.light-theme .form-group input {
    background: var(--light-search-bg);
    border: 1px solid var(--light-search-border);
    color: var(--light-text);
}

.form-group input:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.05);
}

.form-group input::placeholder {
    color: var(--dark-text-secondary);
}

.light-theme .form-group input::placeholder {
    color: var(--light-text-secondary);
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid;
    min-width: 80px;
}

.btn-cancel {
    background: var(--dark-tab-bg);
    border-color: var(--dark-tab-border);
    color: var(--dark-text-secondary);
}

.light-theme .btn-cancel {
    background: var(--light-tab-bg);
    border-color: var(--light-tab-border);
    color: var(--light-text-secondary);
}

.btn-cancel:hover {
    background: rgba(156, 163, 175, 0.15);
    border-color: rgba(156, 163, 175, 0.3);
    color: var(--dark-text);
}

.light-theme .btn-cancel:hover {
    background: rgba(156, 163, 175, 0.1);
    border-color: rgba(156, 163, 175, 0.25);
    color: var(--light-text);
}

.btn-primary {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}

.btn-primary:hover {
    background: rgba(59, 130, 246, 0.25);
    border-color: rgba(59, 130, 246, 0.4);
    color: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.4);
    color: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

/* 移动端模态框优化 */
@media (max-width: 768px) {
    .modal-content {
        max-width: 350px;
        margin: 20px;
    }
    
    .modal-header {
        padding: 16px 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .add-tab-btn span {
        display: none;
    }
    
    .add-tab-btn {
        padding: 10px !important;
        min-width: 40px;
    }

    .add-method-tabs {
        margin-bottom: 16px;
    }

    .method-tab-btn {
        padding: 10px 12px;
        font-size: 13px;
    }

    .method-tab-btn svg {
        width: 14px;
        height: 14px;
    }

    .import-instructions {
        padding: 12px;
        margin-bottom: 16px;
    }

    .import-instructions h4 {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .import-instructions ol {
        font-size: 12px;
    }

    .import-instructions ul {
        margin: 6px 0 0 0;
    }
}

/* 计算器按钮样式 */
.calculator-btn {
    width: 48px;
    height: 48px;
    background: var(--dark-search-bg);
    border: 1px solid var(--dark-search-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px var(--dark-shadow);
    box-sizing: border-box;
}

.light-theme .calculator-btn {
    background: var(--light-search-bg);
    border: 1px solid var(--light-search-border);
    box-shadow: 0 2px 8px var(--light-shadow);
}

.calculator-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--dark-shadow-hover);
}

.light-theme .calculator-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 12px var(--light-shadow-hover);
}

/* 计算器图标样式已整合到头部按钮通用样式中 */

/* 计算器模态框样式 */
.calculator-modal {
    max-width: 500px;
    width: 90vw;
}

.calculator-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.calculator-control-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--dark-tab-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--dark-text-secondary);
}

.light-theme .calculator-control-btn {
    border-color: var(--light-tab-border);
    color: var(--light-text-secondary);
}

.calculator-control-btn:hover {
    background: var(--dark-tab-bg);
    border-color: var(--dark-tab-active-border);
    color: var(--dark-text);
}

.light-theme .calculator-control-btn:hover {
    background: var(--light-tab-bg);
    border-color: var(--light-tab-active-border);
    color: var(--light-text);
}

.calculator-container {
    display: flex;
    gap: 20px;
    min-height: 400px;
}

/* 计算器主体 */
.calculator-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.calculator-display {
    background: var(--dark-card-bg);
    border: 1px solid var(--dark-card-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    text-align: right;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.light-theme .calculator-display {
    background: var(--light-card-bg);
    border-color: var(--light-card-border);
}

.calculation-expression {
    font-size: 14px;
    color: var(--dark-text-secondary);
    margin-bottom: 8px;
    min-height: 20px;
    word-break: break-all;
}

.light-theme .calculation-expression {
    color: var(--light-text-secondary);
}

.calculation-result {
    font-size: 28px;
    font-weight: 600;
    color: var(--dark-text);
    min-height: 36px;
    word-break: break-all;
}

.light-theme .calculation-result {
    color: var(--light-text);
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    flex: 1;
}

.calc-btn {
    height: 50px;
    border: 1px solid var(--dark-tab-border);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.light-theme .calc-btn {
    border-color: var(--light-tab-border);
}

/* 数字按钮 */
.calc-btn-number {
    background: var(--dark-link-bg);
    color: var(--dark-text);
}

.light-theme .calc-btn-number {
    background: var(--light-link-bg);
    color: var(--light-text);
}

.calc-btn-number:hover {
    background: var(--dark-tab-bg);
    border-color: var(--dark-tab-active-border);
    transform: translateY(-1px);
}

.light-theme .calc-btn-number:hover {
    background: var(--light-tab-bg);
    border-color: var(--light-tab-active-border);
}

/* 运算符按钮 */
.calc-btn-operator {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.calc-btn-operator:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

/* 等号按钮 */
.calc-btn-equals {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.calc-btn-equals:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.3);
    transform: translateY(-1px);
}

/* 清除按钮 */
.calc-btn-clear, .calc-btn-backspace {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.calc-btn-clear:hover, .calc-btn-backspace:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

/* 零按钮跨两列 */
.calc-btn-zero {
    grid-column: span 2;
}

/* 历史记录面板 */
.calculator-history {
    width: 200px;
    background: var(--dark-card-bg);
    border: 1px solid var(--dark-card-border);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
}

.light-theme .calculator-history {
    background: var(--light-card-bg);
    border-color: var(--light-card-border);
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--dark-tab-border);
}

.light-theme .history-header {
    border-bottom-color: var(--light-tab-border);
}

.history-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-text);
}

.light-theme .history-header h4 {
    color: var(--light-text);
}

.clear-history-btn {
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-text-secondary);
    transition: all 0.2s ease;
}

.light-theme .clear-history-btn {
    color: var(--light-text-secondary);
}

.clear-history-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.history-list {
    flex: 1;
    overflow-y: auto;
    max-height: 300px;
}

.history-empty {
    text-align: center;
    color: var(--dark-text-secondary);
    font-size: 14px;
    padding: 20px 0;
}

.light-theme .history-empty {
    color: var(--light-text-secondary);
}

.history-item {
    padding: 8px 12px;
    margin-bottom: 8px;
    background: var(--dark-tab-bg);
    border: 1px solid var(--dark-tab-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.light-theme .history-item {
    background: var(--light-tab-bg);
    border-color: var(--light-tab-border);
}

.history-item:hover {
    background: var(--dark-tab-active);
    border-color: var(--dark-tab-active-border);
}

.light-theme .history-item:hover {
    background: var(--light-tab-active);
    border-color: var(--light-tab-active-border);
}

.history-expression {
    font-size: 12px;
    color: var(--dark-text-secondary);
    margin-bottom: 4px;
    word-break: break-all;
}

.light-theme .history-expression {
    color: var(--light-text-secondary);
}

.history-result {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-text);
    word-break: break-all;
}

.light-theme .history-result {
    color: var(--light-text);
}

.history-time {
    font-size: 11px;
    color: var(--dark-text-secondary);
    margin-top: 4px;
}

.light-theme .history-time {
    color: var(--light-text-secondary);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .calculator-modal {
        max-width: 350px;
        width: 95vw;
    }

    .calculator-container {
        flex-direction: column;
        gap: 16px;
    }

    .calculator-history {
        width: 100%;
        max-height: 200px;
    }

    .calc-btn {
        height: 45px;
        font-size: 14px;
    }

    .calculation-result {
        font-size: 24px;
    }

    .calculation-expression {
        font-size: 12px;
    }

    .calculator-display {
        padding: 12px;
        min-height: 70px;
    }
}

/* AI助理模态框样式 */
.ai-assistant-modal {
    max-width: 95vw;
    width: 1200px;
    max-height: 90vh;
    height: 800px;
    padding: 0;
    overflow: hidden;
}

.ai-assistant-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-assistant-control-btn {
    background: none;
    border: none;
    color: var(--dark-text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.ai-assistant-control-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
}

.light-theme .ai-assistant-control-btn {
    color: var(--light-text-secondary);
}

.light-theme .ai-assistant-control-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--light-text);
}

.ai-assistant-body {
    padding: 0;
    position: relative;
    height: calc(100% - 60px);
    overflow: hidden;
}

.ai-assistant-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
    display: none;
}

.ai-assistant-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--dark-card-bg);
    color: var(--dark-text);
    gap: 16px;
}

.light-theme .ai-assistant-loading {
    background: var(--light-card-bg);
    color: var(--light-text);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid rgba(59, 130, 246, 0.8);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.light-theme .loading-spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top: 3px solid rgba(59, 130, 246, 0.8);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: 14px;
    color: var(--dark-text-secondary);
}

.light-theme .loading-text {
    color: var(--light-text-secondary);
}

/* 错误状态样式 */
.ai-assistant-loading .error-text {
    color: var(--dark-text);
}

.light-theme .ai-assistant-loading .error-text {
    color: var(--light-text);
}

.ai-assistant-loading button {
    transition: all 0.2s ease;
}

.ai-assistant-loading button:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .ai-assistant-modal {
        width: 100vw;
        height: 100vh;
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
    }

    .ai-assistant-controls {
        gap: 4px;
    }

    .ai-assistant-control-btn {
        padding: 4px;
    }
}